12122680 has 32 divisors (see below), whose sum is σ = 28016640. Its totient is φ = 4717440.

The previous prime is 12122659. The next prime is 12122723. The reversal of 12122680 is 8622121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2616 + ... + 5575.

It is an arithmetic number, because the mean of its divisors is an integer number (875520).

Almost surely, 2^12122680 is an apocalyptic number.

12122680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122680 is an abundant number, since it is smaller than the sum of its proper divisors (15893960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12122680 is a wasteful number, since it uses less digits than its factorization.

12122680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8239 (or 8235 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 12122680 is about 3481.7639207735. The cubic root of 12122680 is about 229.7203911588.

It can be divided in two parts, 121 and 22680, that added together give a square (22801 = 151²).

The spelling of 12122680 in words is "twelve million, one hundred twenty-two thousand, six hundred eighty".